Installing the UPS System
14.Route and connect the output cable between the UPS cabinet and the IDC or IAC. Refer to the applicable IDC or IAC installation and operation manual, referenced in paragraph 1.5 on page
15.Connect phase A, B, and C, and Neutral (if required) power wiring from the IDC or IAC to the UPS cabinet output and neutral terminals. See Appendix A for wiring and termination requirements.
16.Proceed to paragraph 3.2.6.3.
17.If wiring a parallel system, proceed to Step 18; otherwise, proceed to Step 20.
C A U T I O N
Parallel system wiring length should be in accordance with Drawing
18.Connect phase A, B, and C, and Neutral (if required) power wiring from the output and neutral terminals of each uninterruptible power module (UPM) to the module tie cabinet. See Appendix A for UPM wiring and termination requirements and wiring access information.
19.Proceed to paragraph 3.2.6.3.
20.Connect phase A, B, and C, and Neutral (if required) power wiring from output terminals and neutral terminals to the critical load. See Appendix A for wiring and termination requirements and wiring access information.
21.Proceed to paragraph 3.2.6.3.
3.2.6.3 Battery Wiring
C A U T I O N
When sizing the battery system, do not exceed the internal battery charger capabilities. See Chapter 15, “Product Specifications,” for maximum battery charger currents.
To install wiring to connections:
1.Route and connect the battery cables between the UPS and battery cabinets in accordance with the instructions in the Powerware 9390 Integrated Battery Cabinet (Models
2.Connect the positive, negative, and ground DC power wiring from the battery cabinet to the UPS cabinet battery terminal block and ground terminals. See Appendix A for wiring and termination requirements.
3.After wiring the UPS system to the facility power and critical load, be sure to ground the system according to local and/or national electrical wiring codes.
